//_____________________________________________________
TLegendEntry* GFHistManager::AddHist(TH1* hist, Int_t layer, const char* legendTitle,
const char* legOpt)
{
// add hist to 'layer'th list of histos (expands, if layer does not already exist!)
if(!hist){
this->Warning("AddHist", "adding NULL pointer will be ignored!");
return NULL;
}
if(!this->CheckDepth("AddHist", layer)) return NULL;
GFHistArray* newHist = new GFHistArray;
newHist->Add(hist);
TObjArray* layerHistArrays = static_cast<TObjArray*>(fHistArrays->At(layer));
layerHistArrays->Add(newHist);
if(legendTitle){
TObjArray* legends = this->MakeLegends(layer);
TLegend* legend = new TLegend(fLegendX1, fLegendY1, fLegendX2, fLegendY2);
#if ROOT_VERSION_CODE < ROOT_VERSION(5,6,0)
if (TString(gStyle->GetName()) == "Plain") legend->SetBorderSize(1);
#endif
legends->AddAtAndExpand(legend, layerHistArrays->IndexOf(newHist));
return legend->AddEntry(hist, legendTitle, legOpt ? legOpt : fgLegendEntryOption.Data());
}
return NULL;
}
